12-4x+15=15

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Solution for 12-4x+15=15 equation:


Simplifying
12 + -4x + 15 = 15

Reorder the terms:
12 + 15 + -4x = 15

Combine like terms: 12 + 15 = 27
27 + -4x = 15

Solving
27 + -4x = 15

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-27' to each side of the equation.
27 + -27 + -4x = 15 + -27

Combine like terms: 27 + -27 = 0
0 + -4x = 15 + -27
-4x = 15 + -27

Combine like terms: 15 + -27 = -12
-4x = -12

Divide each side by '-4'.
x = 3

Simplifying
x = 3

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